Crystal Crystal SerenityYear Built: 2003Refurbished: 2023Passengers: 740Size: 51,400 tons Regent Seven Seas Cruises Seven Seas MarinerYear Built: 2001Refurbished: 2018Decks: 8Passengers: 700Size: 48,075 tons Regent Seven Seas Cruises Seven Seas Prestige Regent Seven Seas Cruises Seven Seas VoyagerYear Built: 2003Refurbished: 2018Decks: 9Passengers: 708Size: 42,363 tons Silversea Silver SpiritYear Built: 2009Refurbished: 2018Decks: 9Passengers: 608Size: 36,000 tons